2553354718085 has 8 divisors (see below), whose sum is σ = 3066083444760. Its totient is φ = 2041311919104.

The previous prime is 2553354718073. The next prime is 2553354718127. The reversal of 2553354718085 is 5808174533552.

It is a Cunningham number, because it is equal to 1597922²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 1 + 2553354718084 = 1^2 + 1597922^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2553354718085 - 2¹⁴ = 2553354701701 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2553354718085.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171473732 + ... + 171488621.

It is an arithmetic number, because the mean of its divisors is an integer number (383260430595).

Almost surely, 2^{2553354718085} is an apocalyptic number.

It is an amenable number.

2553354718085 is a deficient number, since it is larger than the sum of its proper divisors (512728726675).

2553354718085 is a wasteful number, since it uses less digits than its factorization.

2553354718085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342963847.

The product of its (nonzero) digits is 20160000, while the sum is 56.

The spelling of 2553354718085 in words is "two trillion, five hundred fifty-three billion, three hundred fifty-four million, seven hundred eighteen thousand, eighty-five".